Label each letters on the diagram appropriately:

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Which of the following are guidelines to follow for obtaining accurate observations

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.